Home / 829,209.56-1,241,322.57-742,591.80

Finding the Fourth Proportional to 829,209.56, 1,241,322.57 and 742,591.80

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Solution

The fourth proportional to 829,209.56, 1,241,322.57 and 742,591.80 is: 1,111,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,209.56 : 1,241,322.57 = 742,591.80 : x
  2. Step 2: Convert to fraction form
    829,209.56/1,241,322.57 = 742,591.80/x
  3. Step 3: Cross multiply
    829,209.56x = 1,241,322.57 × 742,591.80
  4. Step 4: Simplify right side
    829,209.56x = 921,795,961,636.93
  5. Step 5: Solve for x
    x = 921,795,961,636.93/829,209.56
  6. Step 6: Final answer
    x = 1,111,656.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.